[ZephyrBlu]

> ethically challenged

Is that like a euphemism for sociopath?

I'm being slightly facetious, but I don't really know what you mean by "ethically challenged".

[casey77]

Probably a euphemism for worked at Facebook

[harperlee]

Perhaps time in prison? In the sense that people assume having gone to prison is a challenge to the default assumption of whether you are a good person.